Table 1. Baseline characteristics of subjects with and without DM.

	Descriptor	Total no. of cases(n = 181350)	DM cases(n = 36270)		1:4 matched non-DM(n = 145080)		P value
		No.	No.	%	No.	%
Age (years)	20–39	30125	6025	16.6	24100	16.6	1
	40–59	85335	17067	47.1	68268	47.1
	≥60	65890	13178	36.3	52712	36.3
	Mean(±SD)	53.13±15.17	54.26±14.76		52.57±15.33
Sex	Female	89480	17896	49.3	71584	49.3	1
	Male	91870	18374	50.7	73496	50.7
Urbanization	Provinces	47030	9324	25.7	37706	26	0.16
	Counties	14076	2832	7.8	11244	7.8
	Districts	45656	9290	25.6	36366	25.1
	Urbanvillages	74588	14824	40.9	59764	41.2
Income	<18000	79165	15806	43.6	63359	43.7	0.75
	18000–34999	76027	15264	42.1	60763	41.9
	≥35000	26158	5200	14.3	20958	14.4
Comorbidity	Hypertension	64449	19686	54.3	44763	30.9	<0.001
	Dyslipidemia	52424	20714	57.1	31710	21.9	<0.001
	Obesity	1604	698	1.9	906	0.6	<0.001
	Gout	28135	9356	25.8	18779	12.9	<0.001
	HepatitisB	7473	2320	6.4	5153	3.6	<0.001
	HepatitisC	3908	1369	3.8	2539	1.8	<0.001
	Livercirrhosis	2970	1101	3	1869	1.3	<0.001